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During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

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According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

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To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

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Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

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In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Polyploidy has been an important factor in the evolution of plants. Polyploidy has been an important factor in the evolution of plants.
Iron metabolism. Iron metabolism.
Structures of iron–sulfur clusters Structures of iron–sulfur clusters
Structures of other important isoprenoids Structures of other important isoprenoids
Breakfast cereals rich in iron, vitamin D and vitamin B-12 Breakfast cereals rich in iron, vitamin D and vitamin B-12
Zinc-finger nucleases and TALENs bind and cut DNA at specific sequences Zinc-finger nucleases and TALENs bind and cut DNA at specific sequences
Video: Smoking Cessation

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